69e3b51daeeecf38b1f349b08dc3bff0924bea32bdd7ec32ea244b57ff4e3d24

Analysis

max time kernel
95s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-01-2025 20:19

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General

Target

69e3b51daeeecf38b1f349b08dc3bff0924bea32bdd7ec32ea244b57ff4e3d24.dll
Size

80KB
MD5

972cf2217710bb8e472ceb2d2858120a
SHA1

72cbbd4110e745b386e7a4a7ecfb0cb74da8b439
SHA256

69e3b51daeeecf38b1f349b08dc3bff0924bea32bdd7ec32ea244b57ff4e3d24
SHA512

3ee1250309923ea4a6d81dbda53c9a6d876dd1e58e5509d33991c312bc18863f1d434af032e4ab529a760ed68259e105064ba0c4f0b260836d001cf19154f267
SSDEEP

1536:uIcs6msUvrh8ErMInQ+4cw9NVWfjaRkE4LEl8B60Y2lfxxHZPEmywZqD:dcs6v68Erj3w9zWf+SEFuk0/pfPPywZQ

Score

6^/10

discovery upx

Malware Config

Signatures

Network Service Discovery 1 TTPs 9 IoCs

Attempt to gather information on host's network.

discovery

Network Service Discovery

T1046

pid	Process
4292	arp.exe
2260	arp.exe
1780	arp.exe
2444	arp.exe
4784	arp.exe
2540	arp.exe
1424	arp.exe
4884	arp.exe
392	arp.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4476-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/4476-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1676	4476	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4476	rundll32.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 516 wrote to memory of 4476	516	rundll32.exe	83
PID 516 wrote to memory of 4476	516	rundll32.exe	83
PID 516 wrote to memory of 4476	516	rundll32.exe	83
PID 4476 wrote to memory of 1780	4476	rundll32.exe	84
PID 4476 wrote to memory of 1780	4476	rundll32.exe	84
PID 4476 wrote to memory of 1780	4476	rundll32.exe	84
PID 4476 wrote to memory of 2260	4476	rundll32.exe	88
PID 4476 wrote to memory of 2260	4476	rundll32.exe	88
PID 4476 wrote to memory of 2260	4476	rundll32.exe	88
PID 4476 wrote to memory of 4292	4476	rundll32.exe	89
PID 4476 wrote to memory of 4292	4476	rundll32.exe	89
PID 4476 wrote to memory of 4292	4476	rundll32.exe	89
PID 4476 wrote to memory of 392	4476	rundll32.exe	90
PID 4476 wrote to memory of 392	4476	rundll32.exe	90
PID 4476 wrote to memory of 392	4476	rundll32.exe	90
PID 4476 wrote to memory of 4884	4476	rundll32.exe	91
PID 4476 wrote to memory of 4884	4476	rundll32.exe	91
PID 4476 wrote to memory of 4884	4476	rundll32.exe	91
PID 4476 wrote to memory of 1424	4476	rundll32.exe	92
PID 4476 wrote to memory of 1424	4476	rundll32.exe	92
PID 4476 wrote to memory of 1424	4476	rundll32.exe	92
PID 4476 wrote to memory of 2540	4476	rundll32.exe	93
PID 4476 wrote to memory of 2540	4476	rundll32.exe	93
PID 4476 wrote to memory of 2540	4476	rundll32.exe	93
PID 4476 wrote to memory of 4784	4476	rundll32.exe	94
PID 4476 wrote to memory of 4784	4476	rundll32.exe	94
PID 4476 wrote to memory of 4784	4476	rundll32.exe	94
PID 4476 wrote to memory of 2444	4476	rundll32.exe	95
PID 4476 wrote to memory of 2444	4476	rundll32.exe	95
PID 4476 wrote to memory of 2444	4476	rundll32.exe	95

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\69e3b51daeeecf38b1f349b08dc3bff0924bea32bdd7ec32ea244b57ff4e3d24.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:516
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\69e3b51daeeecf38b1f349b08dc3bff0924bea32bdd7ec32ea244b57ff4e3d24.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4476
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1780
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 5b-4c-b8-7a-6e-78
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2260
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 49-3f-b0-9a-2c-b9
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4292
- - C:\Windows\SysWOW64\arp.exe
    arp -s 136.243.76.21 0e-8e-c6-7f-b8-78
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:392
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 8d-07-56-d5-40-f4
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4884
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 57-d8-4d-32-2a-9f
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1424
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 e1-aa-4a-8b-c1-66
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2540
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 d7-04-a8-06-c5-a7
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4784
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 0a-23-0a-a1-b3-9f
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2444
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4476 -s 712
    3⤵
    - Program crash
    PID:1676

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4476 -ip 4476
1⤵
PID:4868

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4476-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/4476-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download